Importers of HS 8302.30 (of iron or steel, of aluminum or of zinc) from Taiwan actually paid 16.9% on the taxed portion of the value in 2026-06 — 16.26% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 2%. Over the window the rate on the taxed portion moved 2.07% → 16.9%, with the largest single step +13.5pp in 2025-05. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 2% — importers actually paid 16.9%, so the trade-war overlay added 14.9 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8302.30", origin: "Taiwan") · see it at trimtabist.com/tariffs
HS 8302.30. The schedule base rate is 2%; importers from Taiwan actually paid 16.9% on the dutiable value in 2026-06 — the trade-war overlay added 14.9 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 2.07% (2023-07) → 16.9% (2026-06), largest single step +13.5pp in 2025-05.
Taiwan's lower duty (16.26% vs 41.49%) lets it price up to 21.7% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $7.02/kg vs $13.23/kg (duty in, freight out).
All goods from Taiwan · the whole tariff ledger · 21 CBP rulings cite this code · reproduce: tariff_story(hs: "8302.30", origin: "Taiwan") via /connect. Not customs or legal advice.